Diagnostic Trouble Code (DTC) Information CVM-U1A1449

Condition

The Closing velocity module (CVM) checks the internal components in the control module.

The diagnostic trouble code (DTC) is stored if the control module detects that:

Internal components do not work.

The control module's test for the diagnostic trouble code (DTC) starts when:

The voltage supply to the control module is 9-16 V.

NOTE:

The control module can only detect the fault once the test has been started and the diagnostic trouble code (DTC) is stored when the conditions are met.

Fig 1: Identifying Closing Velocity Module

Courtesy of VOLVO CARS CORPORATION

Substitute Value

switches off.

Possible Source

Faulty software.
Damaged Closing velocity module (CVM).

Fault symptom[s]

Front monitoring/Active safety/City Safety does not work
Text window and warning symbol/Text message